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  2. List of largest oil and gas companies by revenue - Wikipedia

    en.wikipedia.org/wiki/List_of_largest_oil_and...

    The S&P Global list is restricted to publicly traded companies, and only integrated oil and gas, oil and gas exploration and production, oil and gas refining and marketing, and oil and gas storage and transportation companies were included on the list below. [1] For state-owned oil corporations, the list below is also partially sourced from ...

  3. Oil and gas reserves and resource quantification - Wikipedia

    en.wikipedia.org/wiki/Oil_and_gas_reserves_and...

    [i] Oil & gas reserves are resources that are, or are reasonably certain to be, commercial (i.e. profitable). Reserves are the main asset of an oil & gas company; booking is the process by which they are added to the balance sheet. Contingent and prospective resource estimates are much more speculative and are not booked with the same degree of ...

  4. Pyrgeometer - Wikipedia

    en.wikipedia.org/wiki/Pyrgeometer

    A pyrgeometer is a device that measures near-surface infra-red (IR) radiation, approximately from 4.5 μm to 100 μm on the electromagnetic spectrum (thereby excluding solar radiation). It measures the resistance / voltage changes in a material that is sensitive to the net energy transfer by radiation that occurs between itself and its ...

  5. Oil industry in Cushing, Oklahoma - Wikipedia

    en.wikipedia.org/wiki/Oil_industry_in_Cushing...

    Oil giant BP, and energy-transport and logistics firms Enbridge Energy Partners (an affiliate of Canada's Enbridge), Plains All American Pipeline and Energy Transfer LP own most of the oil storage tanks in Cushing. [22] Oil storage became big business in 2008 and 2009, when the supply glut in the oil market led to situation where oil futures ...

  6. List of countries by oil production - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by_oil...

    Top 5 oil-producing countries 1980–2022 World oil production. This is a list of countries by oil production (i.e., petroleum production), as compiled from the U.S. Energy Information Administration database for calendar year 2023, tabulating all countries on a comparable best-estimate basis.

  7. Global strategic petroleum reserves - Wikipedia

    en.wikipedia.org/wiki/Global_strategic_petroleum...

    The National Iranian Oil Company (NIOC) began construction of 15 crude oil storage tanks with a capacity of 10,000,000 barrels (1,600,000 m 3). [64] In August 2008, Iran announced plans to expand the SPR with a new facility on Kharg Island with four tanks holding 1,000,000 barrels (160,000 m 3) each. Iran's SPR facilities are:

  8. Strategic petroleum reserve (China) - Wikipedia

    en.wikipedia.org/wiki/Strategic_petroleum...

    Oil storage reserves by medium and small Chinese oil companies The planned state reserves of 475.9 million barrels plus the planned enterprise reserves of 209.44 million barrels will provide around 90 days of consumption or a total of 685.34 million barrels.

  9. Nelson complexity index - Wikipedia

    en.wikipedia.org/wiki/Nelson_complexity_index

    Flows in a very complex oil refinery. The Nelson complexity index (NCI) is a measure to compare the secondary conversion capacity of a petroleum refinery with the primary distillation capacity. [1] The index provides an easy metric for quantifying and ranking the complexity of various refineries and units. [2]